CN111955145A

CN111955145A - Brush cutter aircraft nose connection structure

Info

Publication number: CN111955145A
Application number: CN202010707914.7A
Authority: CN
Inventors: 王宇航; 刘华勇; 陈蓉
Original assignee: Zhenjiang College
Current assignee: Zhenjiang College
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-11-20

Abstract

The invention discloses a brush cutter head connecting structure, which relates to the technical field of brush cutters and comprises a brush cutter head, wherein the bottom of the brush cutter head is fixedly connected with a fixing plate, the middle part of the fixing plate is provided with a through hole, the middle part of the bottom end of the brush cutter head is fixedly connected with a rotating shaft, the rotating shaft is matched with the through hole, the bottom of the fixing plate is fixedly connected with a connecting piece, the bottom of the fixing plate is provided with a fixing groove, the inside of the connecting piece is fixedly connected with a bearing, the inside of the bearing is fixedly connected with a clamping strip, and the middle part of the rotating. According to the invention, through the matching arrangement between the clamping groove and the clamping strip, the cutter can be driven to rotate under the condition that the connecting piece is damaged, the problem that the connecting piece cannot work after being damaged is solved, the working efficiency is improved, through the matching arrangement between the spring, the sliding groove, the spring groove, the push rod, the movable groove, the sliding block and the fixed groove, the quick installation can be realized, the problem of inconvenience in disassembly and assembly is solved, and the working efficiency is improved.

Description

Brush cutter aircraft nose connection structure

Technical Field

The invention relates to the technical field of brush cutters, in particular to a brush cutter head connecting structure.

Background

The brush cutter is mainly applied to garden mechanical equipment for removing weeds in green belts on two sides of lawns, orchards, hillsides and roads, the head of the brush cutter is also the most important working part of the brush cutter, and the using performance of the brush cutter is often influenced by the quality of the head connecting structure.

At present, the inconvenient dismouting of current brush cutter aircraft nose connection structure is long when changing the dismouting, influences work efficiency, and current brush cutter aircraft nose connection structure does not have the card strip and can't use after the connecting piece damages and need change, influences work efficiency.

Therefore, it is necessary to provide a head connecting structure of a brush cutter to solve the above problems.

Summary of the invention

The invention aims to provide a brush cutter head connecting structure, which solves the problems that the existing brush cutter head connecting structure proposed in the background technology is inconvenient to disassemble and assemble and does not have a clamping strip.

In order to achieve the purpose, the invention provides the following technical scheme: a brush cutter head connecting structure comprises a head, wherein a fixed plate is fixedly connected to the bottom of the head, a through hole is formed in the middle of the fixed plate, a rotating shaft is fixedly connected to the middle of the bottom end of the head and is matched with the through hole, a connecting piece is fixedly connected to the bottom of the fixed plate, a fixing groove is formed in the bottom of the fixed plate, a bearing is fixedly connected to the inside of the connecting piece, a clamping strip is fixedly connected to the inside of the bearing, a clamping groove is fixedly connected to the middle of the rotating shaft and is matched with the clamping strip, a fixing rod is fixedly connected to the inside of the bearing, a cutter is arranged below the bearing, a first fixing hole is formed in the middle of the cutter, a clamping strip is fixedly connected to the inside of the first fixing hole and is fixedly connected with the clamping groove, and second fixing holes are formed in, the inner wall and the dead lever fixed connection of second fixed orifices, cutter bottom fixedly connected with shell, the bottom fixedly connected with fixation nut of shell, fixation nut and pivot threaded connection, the spout has been seted up on the top of connecting piece, the inside swing joint of spout has the slider, the spring groove has been seted up to one side of slider, the inside fixedly connected with spring in spring groove, the spring is kept away from the one end and the spout fixed connection in spring groove, movable groove has all been seted up to the both sides of connecting piece, the inside swing joint in movable groove has the push rod, the one end and the slider fixed connection of push rod.

Optionally, the number of the fixing grooves is two, and the two fixing grooves are symmetrically arranged around the middle of the fixing plate.

Optionally, the clamping strips are arranged in an equidistant manner with respect to the circle of the bearing.

Optionally, the number of the fixing rods is two, and the two fixing rods are symmetrically arranged around the middle of the bearing.

Optionally, the number of the sliding grooves is two, and the two sliding grooves are symmetrically arranged around the middle of the connecting piece.

Optionally, the sliding groove is matched with the sliding block, and the sliding groove is communicated with the movable groove.

Optionally, the push rod is matched with the movable grooves, and the two movable grooves are symmetrically arranged about the middle of the connecting piece.

The invention has the technical effects and advantages that:

1. according to the invention, through the matching arrangement between the clamping groove and the clamping strip, the cutter can be driven to rotate under the condition that the connecting piece is damaged, the problem that the connecting piece cannot work after being damaged is solved, and the working efficiency is improved.

2. The spring, the sliding groove, the spring groove, the push rod, the movable groove, the sliding block and the fixed groove are matched, so that the spring can be quickly installed, the problem of inconvenience in assembly and disassembly is solved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the inventive structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of an inventive bearing structure;

fig. 4 is a perspective view of the inventive cutter structure.

In the figure: 1. a machine head; 2. a fixing plate; 3. a connecting member; 4. a bearing; 5. a cutter; 6. a housing; 7. a first fixing hole; 8. fixing a nut; 9. fixing the rod; 10. a second fixing hole; 11. a card slot; 12. a through hole; 13. a rotating shaft; 14. a spring; 15. a chute; 16. a spring slot; 17. a push rod; 18. a movable groove; 19. a slider; 20. fixing grooves; 21. and (6) clamping the strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the creation of the present invention can be understood according to specific situations by those of ordinary skill in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the invention "a plurality" means two or more unless specifically limited otherwise.

The invention provides a brush cutter head connecting structure as shown in figures 1-4, which comprises a brush cutter head 1, wherein the bottom of the brush cutter head 1 is fixedly connected with a fixing plate 2, the middle part of the fixing plate 2 is provided with a through hole 12, the middle part of the bottom end of the brush cutter head 1 is fixedly connected with a rotating shaft 13, the rotating shaft 13 is matched with the through hole 12, the bottom of the fixing plate 2 is fixedly connected with a connecting piece 3, the bottom of the fixing plate 2 is provided with two fixing grooves 20, the two fixing grooves 20 are symmetrically arranged relative to the middle part of the fixing plate 2, the inside of the connecting piece 3 is fixedly connected with a bearing 4, the inside of the bearing 4 is fixedly connected with a clamping strip 21, a plurality of clamping strips 21 are arranged at equal intervals relative to the circle of the bearing 4, the middle part of the rotating shaft 13 is fixedly connected with a clamping groove 11, the clamping groove 11 is, the cutter 5 can be driven to rotate under the condition that the connecting piece 3 is damaged, the problem that the connecting piece 3 cannot work after being damaged is solved, the working efficiency is improved, two fixing rods 9 are fixedly connected to the inside of the bearing 4, the two fixing rods 9 are symmetrically arranged around the middle of the bearing 4, the cutter 5 is arranged below the bearing 4, a first fixing hole 7 is formed in the middle of the cutter 5, a clamping strip 21 is fixedly connected to the inside of the first fixing hole 7, the clamping strip 21 is fixedly connected with a clamping groove 11, second fixing holes 10 are formed in two sides of the first fixing hole 7, the inner wall of each second fixing hole 10 is fixedly connected with the corresponding fixing rod 9, a shell 6 is fixedly connected to the bottom of the cutter 5, a fixing nut 8 is fixedly connected to the bottom of the shell 6, the fixing nut 8 is in threaded connection with a rotating shaft 13, a sliding groove 15 is formed in the top end of the connecting piece 3, the two sliding grooves, inside swing joint of spout 15 has slider 19, spring groove 16 has been seted up to one side of slider 19, spring groove 16's inside fixedly connected with spring 14, spring 14 keeps away from spring groove 16's one end and spout 15 fixed connection, spout 15 and slider 19 looks adaptation, spout 15 is linked together with activity groove 18, activity groove 18 has all been seted up to the both sides of connecting piece 3, the inside swing joint of activity groove 18 has push rod 17, push rod 17's one end and slider 19 fixed connection, push rod 17 and activity groove 18 looks adaptation, two activity grooves 18 are symmetrical arrangement about the middle part of connecting piece 3, through spring 14, spout 15, spring groove 16, push rod 17, activity groove 18, the cooperation setting between slider 19 and the fixed slot 20, can install fast, the inconvenient problem of dismouting has been solved, and the work efficiency is improved.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

This practical theory of operation: when the tool is used, after the connecting piece 3 is damaged, the rotating shaft 13 drives the tool 5 to continue working through the clamping groove 11 and the clamping strip 21, when the tool is replaced, the fixing nut 8 is reversely rotated, the tool 5 is taken down after the fixing nut 8 is taken down, the push rod 17 is pushed, the push rod 17 drives the sliding block 19 to move, the spring 14 is simultaneously extruded, the spring 14 contracts to generate elastic force, the connecting piece 3 is taken down for replacement, when the connecting piece is installed, the sliding block 19 is aligned to the fixing groove 20 to be upwards pushed, the sliding block 19 is extruded by the fixing groove 20, the sliding block 19 moves towards the inside of the sliding groove 15, the spring 14 is simultaneously extruded, the spring 14 contracts to generate elastic force, after the sliding block 19 enters the fixing groove 20, the sliding block 19 is pushed to move to be fixed, the shell 6 is.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a brush cutter aircraft nose connection structure, includes aircraft nose (1), its characterized in that: the bottom of the machine head (1) is fixedly connected with a fixing plate (2), a through hole (12) is formed in the middle of the fixing plate (2), a rotating shaft (13) is fixedly connected to the middle of the bottom end of the machine head (1), the rotating shaft (13) is matched with the through hole (12), a connecting piece (3) is fixedly connected to the bottom of the fixing plate (2), a fixing groove (20) is formed in the bottom of the fixing plate (2), a bearing (4) is fixedly connected to the inside of the connecting piece (3), a clamping strip (21) is fixedly connected to the inside of the bearing (4), a clamping groove (11) is fixedly connected to the middle of the rotating shaft (13), the clamping groove (11) is matched with the clamping strip (21), a fixing rod (9) is fixedly connected to the inside of the bearing (4), a cutter (5) is arranged below the bearing (4), and a first fixing hole (7, the inner part of the first fixing hole (7) is fixedly connected with a clamping strip (21), the clamping strip (21) is fixedly connected with a clamping groove (11), the two sides of the first fixing hole (7) are respectively provided with a second fixing hole (10), the inner wall of the second fixing hole (10) is fixedly connected with a fixing rod (9), the bottom of the cutter (5) is fixedly connected with a shell (6), the bottom of the shell (6) is fixedly connected with a fixing nut (8), the fixing nut (8) is in threaded connection with a rotating shaft (13), the top end of the connecting piece (3) is provided with a sliding groove (15), the inner part of the sliding groove (15) is movably connected with a sliding block (19), one side of the sliding block (19) is provided with a spring groove (16), the inner part of the spring groove (16) is fixedly connected with a spring (14), one end of the spring (14), which is far away from the spring groove (16), is fixedly connected with the, activity groove (18) have all been seted up to the both sides of connecting piece (3), the inside swing joint in activity groove (18) has push rod (17), the one end and slider (19) fixed connection of push rod (17).

2. The brush cutter head connecting structure according to claim 1, wherein:

the number of the fixing grooves (20) is two, and the two fixing grooves (20) are symmetrically arranged relative to the middle of the fixing plate (2).

3. The brush cutter head connecting structure according to claim 1, wherein:

the clamping strips (21) are arranged in a plurality of equal intervals, and the clamping strips (21) are arranged in a circular shape relative to the bearing (4).

4. The brush cutter head connecting structure according to claim 1, wherein:

the number of the fixing rods (9) is two, and the two fixing rods (9) are symmetrically arranged around the middle of the bearing (4).

5. The brush cutter head connecting structure according to claim 1, wherein:

the two sliding grooves (15) are arranged, and the two sliding grooves (15) are symmetrically arranged relative to the middle of the connecting piece (3).

6. The brush cutter head connecting structure according to claim 1, wherein:

the sliding groove (15) is matched with the sliding block (19), and the sliding groove (15) is communicated with the movable groove (18).

7. The brush cutter head connecting structure according to claim 1, wherein:

the push rod (17) is matched with the movable grooves (18), and the two movable grooves (18) are symmetrically arranged relative to the middle part of the connecting piece (3).